//file: mytests.java
import java.io.*;
import learningjava.io.rot13InputStream;

public class mytests {
	public static void main( String [] args ) throws Exception
	{
		rot13InputStream r13is = new rot13InputStream(System.in);
		int result;
		while(true) {
			result = r13is.read();
			System.out.print((char)result);
		}
	}

}

